failure rate ( contraception , perimenopause )
Last reviewed 03/2022
Male methods:
- condom - the failure rate in women over the age of 35 years is approximately 2.9 per 100 women years (1)
- vasectomy - the failure rate of a vasectomy is approximately 0.08 per 100 women years (1)
Female methods:
- barrier methods - when used with a spermicide, barrier methods; the overall failure rate for barrier methods is 2.8 per 100 women years (1)
- combined oral contraceptive pill - failure rate in women over 35 years is between 0.2-3.0 per 100 women years (1)
- progestogen only pill - the failure rate is 0-1 per 100 women years (1)
- copper-containing intrauterine devices - the failure rate is 0.3-2.0 per 100 women years (1)
- levonorgestrel-releasing intrauterine system - the failure rate is about 0.2 per 100 women years (1)
Reference:
- 1) Family Planning Association. Method failure rates.